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Finding the Third Proportional to 158,321.25 and 236,691.70

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Solution

The third proportional to 158,321.25 and 236,691.70 is: 353,856.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,321.25 : 236,691.70 = 236,691.70 : x
  2. Step 2: Convert to fraction form
    158,321.25/236,691.70 = 236,691.70/x
  3. Step 3: Cross multiply
    158,321.25x = 236,691.70 × 236,691.70
  4. Step 4: Simplify right side
    158,321.25x = 56,022,962,328.21
  5. Step 5: Solve for x
    x = 56,022,962,328.21/158,321.25
  6. Step 6: Final answer
    x = 353,856.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.